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<pre><code><span class="keyword">extern</span> <span class="keyword">crate</span> <span class="self_keyword crate_root">self</span><span class="semicolon">;</span>

<span class="keyword">use</span> <span class="keyword crate_root public">crate</span><span class="semicolon">;</span>
<span class="keyword">use</span> <span class="self_keyword crate_root public">self</span><span class="semicolon">;</span>
<span class="keyword">mod</span> <span class="module declaration">__</span> <span class="brace">{</span>
    <span class="keyword">use</span> <span class="keyword crate_root public">super</span><span class="operator">::</span><span class="punctuation">*</span><span class="semicolon">;</span>
<span class="brace">}</span>

<span class="keyword">macro_rules</span><span class="macro_bang">!</span> <span class="macro declaration public">void</span> <span class="brace">{</span>
    <span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span> <span class="operator">=</span><span class="operator">&gt;</span> <span class="brace">{</span>discard<span class="punctuation">!</span><span class="parenthesis">(</span><span class="punctuation">$</span><span class="parenthesis">(</span><span class="punctuation">$</span>tt<span class="colon">:</span>tt<span class="parenthesis">)</span><span class="punctuation">*</span><span class="parenthesis">)</span><span class="brace">}</span>
<span class="brace">}</span>

<span class="keyword">struct</span> <span class="struct declaration">__</span> <span class="keyword">where</span> <span class="self_type_keyword">Self</span><span class="colon">:</span><span class="semicolon">;</span>
<span class="keyword">fn</span> <span class="function declaration">__</span><span class="parenthesis">(</span><span class="punctuation">_</span><span class="colon">:</span> <span class="unresolved_reference">Self</span><span class="parenthesis">)</span> <span class="brace">{</span><span class="brace">}</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">Self</span><span class="parenthesis">)</span><span class="semicolon">;</span>

<span class="comment">// edition dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">try</span> <span class="keyword async macro">async</span> <span class="keyword async control macro">await</span> <span class="none macro">gen</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// edition and context dependent</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">dyn</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// builtin custom syntax</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">builtin</span> <span class="none macro">offset_of</span> <span class="none macro">format_args</span> <span class="none macro">asm</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// contextual</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="none macro">macro_rules</span><span class="comma macro">,</span> <span class="none macro">union</span><span class="comma macro">,</span> <span class="none macro">default</span><span class="comma macro">,</span> <span class="none macro">raw</span><span class="comma macro">,</span> <span class="none macro">auto</span><span class="comma macro">,</span> <span class="none macro">yeet</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="comment">// reserved</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span><span class="keyword macro">abstract</span> <span class="keyword macro">become</span> <span class="keyword macro">box</span> <span class="keyword macro">do</span> <span class="keyword macro">final</span> <span class="keyword macro">macro</span> <span class="keyword macro">override</span> <span class="keyword macro">priv</span> <span class="keyword macro">typeof</span> <span class="keyword macro">unsized</span> <span class="keyword macro">virtual</span> <span class="keyword control macro">yield</span><span class="parenthesis">)</span><span class="semicolon">;</span>
<span class="macro public">void</span><span class="macro_bang">!</span><span class="parenthesis">(</span>'static 'self 'unsafe<span class="parenthesis">)</span></code></pre>